aboutsummaryrefslogtreecommitdiffhomepage
path: root/lib/sisu/dp_identify_markup.rb
blob: 0e9d2ee36755162a1c886531f87725e7e25fde27 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
#encoding: utf-8
=begin
- Name: SiSU

  - Description: documents, structuring, processing, publishing, search
    param

  - Author: Ralph Amissah
    <ralph.amissah@gmail.com>

  - Copyright: (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
    2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019,
    2020, 2021, Ralph Amissah,
    All Rights Reserved.

  - License: GPL 3 or later:

    SiSU, a framework for document structuring, publishing and search

    Copyright (C) Ralph Amissah

    This program is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by the Free
    Software Foundation, either version 3 of the License, or (at your option)
    any later version.

    This program is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
    more details.

    You should have received a copy of the GNU General Public License along with
    this program. If not, see <http://www.gnu.org/licenses/>.

    If you have Internet connection, the latest version of the GPL should be
    available at these locations:
    <http://www.fsf.org/licensing/licenses/gpl.html>
    <http://www.gnu.org/licenses/gpl.html>

    <http://www.sisudoc.org/sisu/en/manifest/gpl.fsf.html>

  - SiSU uses:
    - Standard SiSU markup syntax,
    - Standard SiSU meta-markup syntax, and the
    - Standard SiSU object citation numbering and system

  - Homepages:
    <http://www.sisudoc.org>

  - Git
    <https://git.sisudoc.org/projects/>
    <https://git.sisudoc.org/projects/?p=software/sisu.git;a=summary>
    <https://git.sisudoc.org/projects/?p=markup/sisu-markup-samples.git;a=summary>
=end
module SiSU_MarkupType
  class MarkupIdentify
    @@version={}
    @@fns,@@version[:determined],@@version[:declared],@@declared_doc_type='','','','[text?]'
    attr_accessor :version,:declared_doc_type
    def initialize(content,opt)
      @cont,@opt=content,opt
    end
    def identify
      @version,@declared_doc_type=@@version,@@declared_doc_type
      if @opt.fns != @@fns
        if @cont[0] =~ /^(?:%\s+)?SiSU\s+(text|master|insert)\s+([0-9](?:\.[0-9]+){1,2})/ \
        or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
          @declared_doc_type,@version[:declared]=$1,$2
        elsif @cont[0] =~ /^(?:%\s+)?SiSU\s+([0-9](?:\.[0-9]+){1,2})/ \
        or @cont[0] =~ /^(?:%\s+)?sisu-([0-9](?:\.[0-9]+){1,2})/
          @version[:declared]=$1
        end
        @flag_2_0,@flag_66,@flag_57,@flag_38=false,false,false,false
        @cont.each_with_index do |y,i|
          if y =~/^@make:|^@classify|^\s\s?:\S+?:\s+\S/
            version=2.0.to_f
            @version[:determined]=version
            @flag_2_0=true
            break
          end
          unless @flag_38
            if y =~/^:?A~/
              version=0.38.to_f
              @version[:determined]=version
              @flag_38=true
            end
          end
          if @flag_38
            if @flag_69 \
            or y =~/^=\{.+?\}\s*$/
              version=0.69.to_f
              @flag_69=true
              @version[:determined]=version
              break
            end
            if @flag_66 \
            or y =~/[:;]\{.+?\}[:;][a-z+]/
              version=0.66.to_f
              @flag_66=true
              @version[:determined]=version
              break
            end
          end
        end
        @flag_57,@flag_38=false,false
        unless @flag_2_0 \
        or @flag_66 \
        or @flag_69
          @cont.each_with_index do |y,i|
            if @flag_57 \
            or y =~/^:?A~\?? @title/
              @version[:determined]=0.57.to_f
              @flag_57=true
              break
            end
            if @flag_38 \
            or y =~/^:?A~/
              @version[:determined]=0.38.to_f
              @flag_38=true
              break if i >= 200
              if y =~ /(?:~{\*+|~\[\*|~\[\+)\s/
                @version[:determined]=0.42 #0.38 can safely be treated as 0.42
                break
              end
            end
            if y =~/^0~/ \
            and not @flag_38
              @version[:determined]=0.16.to_f
              break
            end
          end
        end
        @@fns=@opt.fns
        @@version,@@declared_doc_type=@version,@declared_doc_type
      end
      self
    end
    def markup_version?
      def determined
        identify.version[:determined].to_f
      end
      def series
        s=case identify.version[:determined].to_s
        when /^[01]\./ then '1.0'
        when /^[2]\./  then '2.0'
        else '2.0'
        end
        "series #{s}"
      end
      def declared
        identify.version[:declared].to_f
      end
      self
    end
  end
end
__END__